linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 00/29] implement KASLR for ARM
Date: Wed, 6 Sep 2017 10:53:09 -0700	[thread overview]
Message-ID: <20170906175308.GL5024@atomide.com> (raw)
In-Reply-To: <CAKv+Gu8ngWMvkmNr77SzL8fEvSc5K-OntoZQ53vgWVLHhAajaw@mail.gmail.com>

* Ard Biesheuvel <ard.biesheuvel@linaro.org> [170906 10:31]:
> On 6 September 2017 at 18:12, Tony Lindgren <tony@atomide.com> wrote:
> > Kernel image @ 0x81000000 [ 0x000000 - 0x426300 ]
> > ## Flattened Device Tree blob at 84000000
> >    Booting using the fdt blob at 0x84000000
> >    Loading Device Tree to 86feb000, end 86fff2d5 ... OK
> >
> > Starting kernel ...
> >
> > regions.image_size:00e00000
> > regions.pa_start:80000000
> > regions.pa_end:87200000
> > regions.zimage_start:81000000
> > regions.zimage_size:00437320
> > regions.dtb_start:86feb000
> > regions.dtb_size:00012000
> > regions.initrd_start:00000000
> > regions.initrd_size:00000000
> > num:00000028
> > num:00000025
> > *kaslr_offset:05e00000
> > Uncompressing Linux... done, booting the kernel.
> > Warning: Neither atags nor dtb found
> 
> OK, so in this case, 80000000 + 00e00000 + 05e00000 == 86c00000, which
> is still below the DTB, but apparently, it has corrupted it anyway.
> 
> I will try to figure out what's going on here.

Do you need to have kaslr_offset beyond the uncompressed
kernel size maybe?

> Thanks again for taking the time,

No problem, I'm happy to test these changes.

Regards,

Tony

  reply	other threads:[~2017-09-06 17:53 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-03 12:07 [PATCH v2 00/29] implement KASLR for ARM Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 01/29] net/core: work around section mismatch warning for ptp_classifier Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 02/29] asm-generic: add .data.rel.ro sections to __ro_after_init Ard Biesheuvel
2017-09-04 15:59   ` Nicolas Pitre
2017-09-04 17:09   ` Kees Cook
2017-09-03 12:07 ` [PATCH v2 03/29] ARM: assembler: introduce adr_l, ldr_l and str_l macros Ard Biesheuvel
2017-09-04 16:05   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 04/29] ARM: head-common.S: use PC-relative insn sequence for __proc_info Ard Biesheuvel
2017-09-04 16:06   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 05/29] ARM: head-common.S: use PC-relative insn sequence for idmap creation Ard Biesheuvel
2017-09-04 16:08   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 06/29] ARM: head.S: use PC-relative insn sequence for secondary_data Ard Biesheuvel
2017-09-04 16:09   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 07/29] ARM: kernel: use relative references for UP/SMP alternatives Ard Biesheuvel
2017-09-04 16:15   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 08/29] ARM: head: use PC-relative insn sequence for __smp_alt Ard Biesheuvel
2017-09-04 16:19   ` Nicolas Pitre
2017-09-04 16:20     ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 09/29] ARM: sleep.S: use PC-relative insn sequence for sleep_save_sp/mpidr_hash Ard Biesheuvel
2017-09-04 16:20   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 10/29] ARM: head.S: use PC-relative insn sequences for __fixup_pv_table Ard Biesheuvel
2017-09-04 16:47   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 11/29] ARM: head.S: use PC relative insn sequence to calculate PHYS_OFFSET Ard Biesheuvel
2017-09-04 16:50   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 12/29] ARM: kvm: replace open coded VA->PA calculations with adr_l call Ard Biesheuvel
2017-09-04 16:57   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 13/29] arm-soc: exynos: replace open coded VA->PA conversions Ard Biesheuvel
2017-09-04 16:59   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 14/29] arm-soc: mvebu: replace open coded VA->PA conversion Ard Biesheuvel
2017-09-04 17:00   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 15/29] arm-soc: various: replace open coded VA->PA calculation of pen_release Ard Biesheuvel
2017-09-04 17:01   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 16/29] ARM: kernel: switch to relative exception tables Ard Biesheuvel
2017-09-04 17:17   ` Nicolas Pitre
2017-09-04 17:30     ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 17/29] ARM: kernel: use relative phys-to-virt patch tables Ard Biesheuvel
2017-09-04 18:03   ` Nicolas Pitre
2017-09-04 19:09     ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 18/29] arm-soc: tegra: make sleep asm code runtime relocatable Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 19/29] ARM: kernel: make vmlinux buildable as a PIE executable Ard Biesheuvel
2017-09-04 18:11   ` Nicolas Pitre
2017-09-04 19:10     ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 20/29] ARM: kernel: use PC-relative symbol references in MMU switch code Ard Biesheuvel
2017-09-04 18:15   ` Nicolas Pitre
2017-09-04 19:14     ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 21/29] ARM: kernel: use PC relative symbol references in suspend/resume code Ard Biesheuvel
2017-09-04 18:24   ` Nicolas Pitre
2017-09-04 19:17     ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 22/29] ARM: mm: export default vmalloc base address Ard Biesheuvel
2017-09-04 18:25   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 23/29] ARM: kernel: refer to swapper_pg_dir via its symbol Ard Biesheuvel
2017-09-04 18:30   ` Nicolas Pitre
2017-09-04 19:26     ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 24/29] ARM: kernel: implement randomization of the kernel load address Ard Biesheuvel
2017-09-04 18:44   ` Nicolas Pitre
2017-09-04 19:29     ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 25/29] ARM: decompressor: explicitly map decompressor binary cacheable Ard Biesheuvel
2017-09-04 18:47   ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 26/29] ARM: decompressor: add KASLR support Ard Biesheuvel
2017-09-04 18:53   ` Nicolas Pitre
2017-09-04 19:33     ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 27/29] efi/libstub: add 'max' parameter to efi_random_alloc() Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 28/29] efi/libstub: check for vmalloc= command line argument Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 29/29] efi/libstub: arm: implement KASLR Ard Biesheuvel
2017-09-05 16:45 ` [PATCH v2 00/29] implement KASLR for ARM Tony Lindgren
2017-09-05 16:48   ` Ard Biesheuvel
2017-09-05 19:37     ` Tony Lindgren
2017-09-05 19:42       ` Ard Biesheuvel
2017-09-05 21:27         ` Tony Lindgren
2017-09-05 21:31           ` Ard Biesheuvel
2017-09-06 10:40             ` Ard Biesheuvel
2017-09-06 16:22               ` Tony Lindgren
2017-09-06 16:25                 ` Ard Biesheuvel
2017-09-06 16:31                   ` Tony Lindgren
2017-09-06 16:35                     ` Ard Biesheuvel
2017-09-06 17:12                       ` Tony Lindgren
2017-09-06 17:30                         ` Ard Biesheuvel
2017-09-06 17:53                           ` Tony Lindgren [this message]
2017-09-06 18:04                             ` Ard Biesheuvel
2017-09-06 18:22                               ` Tony Lindgren
2017-09-06 18:25                                 ` Ard Biesheuvel
2017-09-06 20:08                                   ` Tony Lindgren
2017-09-12  6:51                                     ` Ard Biesheuvel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170906175308.GL5024@atomide.com \
    --to=tony@atomide.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).